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   1  <?php
   2  
   3  /**
   4   * @package     Joomla.Installation
   5   * @subpackage  Controller
   6   *
   7   * @copyright   (C) 2017 Open Source Matters, Inc. <https://www.joomla.org>
   8   * @license     GNU General Public License version 2 or later; see LICENSE.txt
   9   */
  10  
  11  namespace Joomla\CMS\Installation\Controller;
  12  
  13  use Joomla\CMS\Factory;
  14  use Joomla\CMS\Installation\Model\SetupModel;
  15  use Joomla\CMS\Language\Language;
  16  use Joomla\CMS\Language\Text;
  17  
  18  // phpcs:disable PSR1.Files.SideEffects
  19  \defined('_JEXEC') or die;
  20  // phpcs:enable PSR1.Files.SideEffects
  21  
  22  /**
  23   * Language controller class for the Joomla Installer.
  24   *
  25   * @since  3.1
  26   */
  27  class LanguageController extends JSONController
  28  {
  29      /**
  30       * Sets the language.
  31       *
  32       * @return  void
  33       *
  34       * @since   4.0.0
  35       */
  36      public function set()
  37      {
  38          $this->checkValidToken();
  39  
  40          // Check for potentially unwritable session
  41          $session = $this->app->getSession();
  42  
  43          if ($session->isNew()) {
  44              $this->sendJsonResponse(new \Exception(Text::_('INSTL_COOKIES_NOT_ENABLED'), 500));
  45          }
  46  
  47          /** @var SetupModel $model */
  48          $model = $this->getModel('Setup');
  49  
  50          // Get the posted values from the request and validate them.
  51          $data   = $this->input->post->get('jform', [], 'array');
  52          $return = $model->validate($data, 'language');
  53  
  54          $r = new \stdClass();
  55  
  56          // Check for validation errors.
  57          if ($return === false) {
  58              /*
  59               * The validate method enqueued all messages for us, so we just need to
  60               * redirect back to the site setup screen.
  61               */
  62              $r->view = $this->input->getWord('view', 'setup');
  63              $this->sendJsonResponse($r);
  64          }
  65  
  66          // Store the options in the session.
  67          $model->storeOptions($return);
  68  
  69          // Setup language
  70          Factory::$language = Language::getInstance($return['language']);
  71  
  72          // Redirect to the page.
  73          $r->view = $this->input->getWord('view', 'setup');
  74  
  75          $this->sendJsonResponse($r);
  76      }
  77  
  78      /**
  79       * Sets the default language.
  80       *
  81       * @return  void
  82       *
  83       * @since   4.0.0
  84       */
  85      public function setdefault()
  86      {
  87          $this->checkValidToken();
  88  
  89          $app = $this->app;
  90  
  91          /** @var \Joomla\CMS\Installation\Model\LanguagesModel $model */
  92          $model = $this->getModel('Languages');
  93  
  94          // Check for request forgeries in the administrator language
  95          $admin_lang = $this->input->getString('administratorlang', false);
  96  
  97          // Check that the string is an ISO Language Code avoiding any injection.
  98          if (!preg_match('/^[a-z]{2}(\-[A-Z]{2})?$/', $admin_lang)) {
  99              $admin_lang = 'en-GB';
 100          }
 101  
 102          // Attempt to set the default administrator language
 103          if (!$model->setDefault($admin_lang, 'administrator')) {
 104              // Create an error response message.
 105              $this->app->enqueueMessage(Text::_('INSTL_DEFAULTLANGUAGE_ADMIN_COULDNT_SET_DEFAULT'), 'error');
 106          } else {
 107              // Create a response body.
 108              $app->enqueueMessage(Text::sprintf('INSTL_DEFAULTLANGUAGE_ADMIN_SET_DEFAULT', $admin_lang), 'message');
 109          }
 110  
 111          // Check for request forgeries in the site language
 112          $frontend_lang = $this->input->getString('frontendlang', false);
 113  
 114          // Check that the string is an ISO Language Code avoiding any injection.
 115          if (!preg_match('/^[a-z]{2}(\-[A-Z]{2})?$/', $frontend_lang)) {
 116              $frontend_lang = 'en-GB';
 117          }
 118  
 119          // Attempt to set the default site language
 120          if (!$model->setDefault($frontend_lang, 'site')) {
 121              // Create an error response message.
 122              $app->enqueueMessage(Text::_('INSTL_DEFAULTLANGUAGE_FRONTEND_COULDNT_SET_DEFAULT'), 'error');
 123          } else {
 124              // Create a response body.
 125              $app->enqueueMessage(Text::sprintf('INSTL_DEFAULTLANGUAGE_FRONTEND_SET_DEFAULT', $frontend_lang), 'message');
 126          }
 127  
 128          $r = new \stdClass();
 129  
 130          // Redirect to the final page.
 131          $r->view = 'remove';
 132          $this->sendJsonResponse($r);
 133      }
 134  }